Do not enforce hostname validation

Since OOM and HEAT are using two different ways of interacting with the system, hostname validation shouldn't be enforced, because OOM using internal kunermetes resolution, while HEAT uses plain hostname resolution.

[2018-01-05 17:52:21,418|ERROR|RESTManager|Session org.onap.policy-engine.drools.amsterdam:policy-amsterdam-rules:0.6.0:closedloop-amsterdam] Failed to POST to https://aai-service.onap-aai:8443/aai/search/named-query
javax.net.ssl.SSLPeerUnverifiedException: Host name 'aai-service.onap-aai' does not match the certificate subject provided by the peer (EMAILADDRESS=aai-host@api.simpledemo.openecomp.org, CN=aai.api.simpledemo.openecomp.org, O=ONAP, L=Bedminister, ST=NJ, C=US)
    at org.apache.http.conn.ssl.SSLConnectionSocketFactory.verifyHostname(SSLConnectionSocketFactory.java:465)
    at org.apache.http.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket(SSLConnectionSocketFactory.java:395)
    at org.apache.http.conn.ssl.SSLConnectionSocketFactory.connectSocket(SSLConnectionSocketFactory.java:353)
    at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:141)
    at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:353)
    at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:380)
    at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184)
    at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88)
    at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:107)
    at org.onap.policy.rest.RESTManager.post(RESTManager.java:81)
    at org.onap.policy.aai.AAIManager.postQuery(AAIManager.java:51)
    at org.onap.policy.controlloop.actor.appclcm.AppcLcmActorServiceProvider.vnfNamedQuery(AppcLcmActorServiceProvider.java:168)
    at org.onap.policy.controlloop.eventmanager.ControlLoopOperationManager.<init>(ControlLoopOperationManager.java:199)
    at org.onap.policy.controlloop.eventmanager.ControlLoopEventManager.processControlLoop(ControlLoopEventManager.java:339)
    at org.onap.policy.controlloop.Rule_com$u46$Config_BRMS_Param_BRMSParamvFirewall$u46$EVENT$u46$MANAGER252219256.defaultConsequence(Rule_com$u46$Config_BRMS_Param_BRMSParamvFirewall$u46$EVENT$u46$MANAGER252219256.java:145)
    at org.onap.policy.controlloop.Rule_com$u46$Config_BRMS_Param_BRMSParamvFirewall$u46$EVENT$u46$MANAGER252219256DefaultConsequenceInvokerGenerated.evaluate(Unknown Source)
    at org.onap.policy.controlloop.Rule_com$u46$Config_BRMS_Param_BRMSParamvFirewall$u46$EVENT$u46$MANAGER252219256DefaultConsequenceInvoker.evaluate(Unknown Source)
    at org.drools.core.common.DefaultAgenda.fireActivation(DefaultAgenda.java:1052)
    at org.drools.core.phreak.RuleExecutor.fire(RuleExecutor.java:121)
    at org.drools.core.phreak.RuleExecutor.evaluateNetworkAndFire(RuleExecutor.java:74)
    at org.drools.core.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:970)
    at org.drools.core.common.DefaultAgenda.fireLoop(DefaultAgenda.java:1312)
    at org.drools.core.common.DefaultAgenda.fireUntilHalt(DefaultAgenda.java:1232)
    at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireUntilHalt(StatefulKnowledgeSessionImpl.java:1398)
    at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireUntilHalt(StatefulKnowledgeSessionImpl.java:1377)
    at org.onap.policy.drools.core.PolicySession$DefaultThreadModel.run(PolicySession.java:563)
    at java.lang.Thread.run(Thread.java:748)